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Abstract

B-3 FLUID CONTROL ON VELOCITY DISPERSION Abstract 1 Velocity dispersion from the seismic to ultrasonic frequencies was observed in porous reservoir rocks. Dynamic elastic properties between 5 and 500000 Hz have been measured to investigate the behavior for high porosity and permeability sediments. The magnitude and frequency range of dispersion is dependent on the permeability of the rock and on the viscosity and modulus of the fluid. Introduction Fluids effects on seismic velocities are commonly observed and discussed in the literature. Wood’s equation Gassmann’s equation (1951) and Brown & Korringa (1975) describe a frequency independent (low frequency limit) behavior. In

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/content/papers/10.3997/2214-4609-pdb.19.b03
2000-08-06
2020-11-29
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